284874975 has 252 divisors, whose sum is σ = 695279160. Its totient is φ = 114307200.

The previous prime is 284874973. The next prime is 284874977. The reversal of 284874975 is 579478482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (284874973) and next prime (284874977).

It is not a de Polignac number, because 284874975 - 2¹ = 284874973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284874973) by changing a digit.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 9823261 + ... + 9823289.

Almost surely, 2^284874975 is an apocalyptic number.

284874975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

284874975 is an abundant number, since it is smaller than the sum of its proper divisors (410404185).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284874975 is a wasteful number, since it uses less digits than its factorization.

284874975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 55 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 284874975 is about 16878.2396890197. The cubic root of 284874975 is about 657.9881920320.

It can be divided in two parts, 28 and 4874975, that added together give a triangular number (4875003 = T₃₁₂₂).

The spelling of 284874975 in words is "two hundred eighty-four million, eight hundred seventy-four thousand, nine hundred seventy-five".